Surgical stapler



FIG. 1 is a top front and side perspective view of a surgical stapler showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a side perspective view thereof, opposite that shown in FIG. 1;

FIG. 5 is a rear view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a surgical stapler, substantially as shown. 